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Mirrors > Home > ILE Home > Th. List > 2ecoptocl | Unicode version |
Description: Implicit substitution of classes for equivalence classes of ordered pairs. (Contributed by NM, 23-Jul-1995.) |
Ref | Expression |
---|---|
2ecoptocl.1 |
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2ecoptocl.2 |
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2ecoptocl.3 |
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2ecoptocl.4 |
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Ref | Expression |
---|---|
2ecoptocl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2ecoptocl.1 |
. . 3
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2 | 2ecoptocl.3 |
. . . 4
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3 | 2 | imbi2d 230 |
. . 3
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4 | 2ecoptocl.2 |
. . . . . 6
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5 | 4 | imbi2d 230 |
. . . . 5
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6 | 2ecoptocl.4 |
. . . . . 6
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7 | 6 | ex 115 |
. . . . 5
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8 | 1, 5, 7 | ecoptocl 6676 |
. . . 4
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9 | 8 | com12 30 |
. . 3
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10 | 1, 3, 9 | ecoptocl 6676 |
. 2
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11 | 10 | impcom 125 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-opab 4091 df-xp 4665 df-cnv 4667 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-ec 6589 df-qs 6593 |
This theorem is referenced by: 3ecoptocl 6678 ecovcom 6696 ecovicom 6697 addclnq 7435 mulclnq 7436 nqtri3or 7456 ltexnqq 7468 addclnq0 7511 mulclnq0 7512 distrnq0 7519 mulcomnq0 7520 addassnq0 7522 addclsr 7813 mulclsr 7814 mulgt0sr 7838 aptisr 7839 |
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